Collection

4000 series: continuing airworthiness engineering regulations (CAE)

Individual Regulatory Articles (RA) relating to the 4000 series.

Withdrawn Regulatory Articles (RAs)

Any RAs that have been withdrawn for more than 6 months are no longer listed alongside the current RAs. Withdrawn RAs are listed for reference only at the bottom of this page (link available in the table of contents) under the heading Withdrawn Regulatory Articles.

If no RAs have been withdrawn from this series then Withdrawn Regulatory Articles will not be available to view.

MAA regulatory publications (MRP)

The Military Aviation Authority regulatory publications (MRP) are split into 3 layers:-

Regulation contact information

Email: DSA-MAA-MRPEnquiries@mod.uk

Telephone: +44 (0)30679 38269

Address:

MAA regulation enquiries
Juniper 1, Abbey Wood North
Bristol
BS34 8QW

4000 series complete download

Table of contents

Foreword

4009: organization, policy and airworthiness

4050 to 4063: operation of aircraft

  1. Regulatory Article (RA) 4050: continuing airworthiness of remotely piloted air systems (RPAS)
  2. Regulatory Article (RA) 4051: flight testing of aircraft
  3. Regulatory Article (RA) 4053: royal flights and flights for nominated very important persons
  4. Regulatory Article (RA) 4054: ground handling of aircraft
  5. Regulatory Article (RA) 4055: fuelling operations for aircraft on the ground
  6. Regulatory Article (RA) 4056: anti-icing and de-icing of parked aircraft
  7. Regulatory Article (RA) 4059: continuous charge
  8. Regulatory Article (RA) 4060: chemical, biological, radiological and nuclear (CBRN) decontamination and protection
  9. Regulatory Article (RA) 4061: aircraft abnormal flying characteristics

4100 to 4104: safety, health, environment and fire

4150 to 4161: training, employment and authorization

4200 to 4214: maintenance principles

  1. Regulatory Article (RA) 4201: maintenance policy, composite materials
  2. Regulatory Article (RA) 4203: preventive maintenance
  3. Regulatory Article (RA) 4204: lifing of aerospace components
  4. Regulatory Article (RA) 4205: corrective maintenance
  5. Regulatory Article (RA) 4208: dehumidification of aircraft
  6. Regulatory Article (RA) 4210: anti-deterioration maintenance of equipment in store
  7. Regulatory Article (RA) 4212: ground instructional aircraft and aero-engines, and the control of components used in simulators or as ground training aids
  8. Regulatory Article (RA) 4213: control of aircraft components used in ground test facilities
  9. Regulatory Article (RA) 4214: support policy statements

4250 to 4266: maintenance practices

4300 to 4312: general maintenance recording and reporting

4350 to 4356: publications, schedules and forms

4401 to 4406: transfer and repair

4457 to 4462: configuration control

4500 to 4515: airframe and engines

4550 to 4561: avionics and electrical

  1. Regulatory Article (RA) 4550: electrical wiring interconnect system
  2. Regulatory Article (RA) 4551: aircraft wiring husbandry
  3. Regulatory Article (RA) 4552: use of crimped splices in aircraft electrical wiring interconnect system
  4. Regulatory Article (RA) 4553: aircraft electrical wire
  5. Regulatory Article (RA) 4554: maintenance and repair of aircraft data buses
  6. Regulatory Article (RA) 4555: aircraft fibre optic systems
  7. Regulatory Article (RA) 4556: pitot static systems, maintenance responsibilities
  8. Regulatory Article (RA) 4559: aircraft COMSEC material
  9. Regulatory Article (RA) 4561: maintenance of aircraft compass accuracy

4600 to 4607: safety role and support

  1. Regulatory Article (RA) 4600: aircraft assisted escape systems, safety precautions
  2. Regulatory Article (RA) 4601: aircraft assisted escape systems, maintenance responsibilities
  3. Regulatory Article (RA) 4602: aircraft assisted escape systems, maintenance, vital and independent checks
  4. Regulatory Article (RA) 4603: lifing, marking and maintenance of carbon dioxide (CO2) cylinders used in life preservers
  5. Regulatory Article (RA) 4604: survival equipment maintenance
  6. Regulatory Article (RA) 4605: compressed gas cylinders having an airborne application
  7. Regulatory Article (RA) 4607: aircraft role equipment, maintenance, modification and control

4650 to 4660: weapons and explosives

4700 to 4702: quality assurance

4800 to 4849: MRP part 145

  1. Regulatory Article (RA) 4800: general requirements (MRP Part 145)
  2. Regulatory Article (RA) 4801: certifying staff
  3. Regulatory Article (RA) 4802: scope of the MRP part 145 (MRP 145.A.10), approved maintenance organisations only
  4. Regulatory Article (RA) 4803: method of application for approval (MRP 145.A.15), approved maintenance organisations only
  5. Regulatory Article (RA) 4804: terms of approval (MRP 145.A.20), approved maintenance organisations only
  6. Regulatory Article (RA) 4805: facility requirements (MRP 145.A.25)
  7. Regulatory Article (RA) 4806: personnel requirements (MRP 145.A.30)
  8. Regulatory Article (RA) 4807: certifying staff and support staff (MRP 145.A.35)
  9. Regulatory Article (RA) 4808: equipment, tools and material (MRP 145.A.40)
  10. Regulatory Article (RA) 4809: acceptance of components (MRP 145.A.42)
  11. Regulatory Article (RA) 4810: technical information (MRP 145.A.45)
  12. Regulatory Article (RA) 4811: maintenance planning (MRP 145.A.47)
  13. Regulatory Article (RA) 4812: certification of air system release and component release (MRP 145.A.50)
  14. Regulatory Article (RA) 4813: maintenance records (MRP 145.A.55)
  15. Regulatory Article (RA) 4814: occurrence reporting (MRP 145.A.60)
  16. Regulatory Article (RA) 4815: maintenance procedures and safety and quality policy (MRP 145.A.65)
  17. Regulatory Article (RA) 4816: maintenance organization exposition (MOE) (MRP 145.A.70), approved maintenance organisations (AMOs) only
  18. Regulatory Article (RA) 4817: privileges of the organisation (MRP 145.A.75)
  19. Regulatory Article (RA) 4818: limitations on the organization (MRP 145.A.80), approved maintenance organisations (AMOs) only
  20. Regulatory Article (RA) 4819: changes to the organization (MRP 145.A.85), approved maintenance organisations (AMOs) only
  21. Regulatory Article (RA) 4820: continued validity (MRP 145.A.90), approved maintenance organisations (AMOs) only
  22. Regulatory Article (RA) 4821: findings (MRP 145.A.95), approved maintenance organisations (AMOs) only

4900 to 4956: continuing airworthiness management organization (CAMO) regulation

  1. Regulatory Article (RA) 4941: application, MRP Part M Sub Part G
  2. Regulatory Article (RA) 4943: continuing airworthiness management exposition, MRP Part M Sub Part G
  3. Regulatory Article (RA) 4945: personnel requirements, MRP Part M Sub Part G
  4. Regulatory Article (RA) 4947: continuing airworthiness management, MRP Part M Sub Part G
  5. Regulatory Article (RA) 4948: documentation, MRP Part M Sub Part G
  6. Regulatory Article (RA) 4951: quality system, MRP Part M Sub Part G
  7. Regulatory Article (RA) 4953: record keeping, MRP Part M Sub Part G
  8. Regulatory Article (RA) 4954: continued validity of approval, MRP Part M Sub Part G
  9. Regulatory Article (RA) 4955: findings, MRP Part M Sub Part G
  10. Regulatory Article (RA) 4956: military continuing airworthiness management organization tasks performed by other organizations - MRP Part M Sub Part G

4961 to 4964: continuing airworthiness

4970 to 4974: airworthiness review (AR) regulation

Withdrawn Regulatory Articles

  1. Regulatory Article (RA) 4052: engineering aspects of physical security of aircraft at foreign and UK civilian airfields
  2. Regulatory Article (RA) 4057: flight servicing
  3. Regulatory Article (RA) 4058: flight servicing competency checks
  4. Regulatory Article (RA) 4062: embarked aviation
  5. Regulatory Article (RA) 4063: replenishment of liquid and gaseous oxygen systems in exceptional circumstances
  6. Regulatory Article (RA) 4101: aircraft cabin pressure testing, safety health environmental and fire precautions
  7. Regulatory Article (RA) 4102: biological security
  8. Regulatory Article (RA) 4104: control of compressed gas and pneumatic lubricating equipment
  9. Regulatory Article (RA) 4151: engineering authorisations
  10. Regulatory Article (RA) 4152: recording of engineering authorizations
  11. Regulatory Article (RA) 4153: signatures on maintenance documentation
  12. Regulatory Article (RA) 4154: aircraft ground engineers
  13. Regulatory Article (RA) 4158: authorisation of aircrew to carry out aircraft maintenance work
  14. Regulatory Article (RA) 4159: operation of air transport systems by movements personnel
  15. Regulatory Article (RA) 4161: contractors’ working parties maintaining aircraft at stations, ships and units
  16. Regulatory Article (RA) 4200: maintenance philosophy, general
  17. Regulatory Article (RA) 4202: maintenance of aircraft in multi-service environments
  18. Regulatory Article (RA) 4206: deferment of maintenance, guidance on the use of limitations and acceptable deferred faults
  19. Regulatory Article (RA) 4211: ground training aids
  20. Regulatory Article (RA) 4250: management of hand tools and test and measuring equipment (TME)
  21. Regulatory Article (RA) 4251: tool control procedures
  22. Regulatory Article (RA) 4254: local manufacture of parts for aircraft and airborne equipment
  23. Regulatory Article (RA) 4261: aircraft independent inspections
  24. Regulatory Article (RA) 4262: cannibalisation of parts from aircraft and uninstalled aircraft equipment
  25. Regulatory Article (RA) 4263: shift and task handover
  26. Regulatory Article (RA) 4265: laser equipment maintenance
  27. Regulatory Article (RA) 4300: certification of aircraft maintenance documentation
  28. Regulatory Article (RA) 4302: MOD form 700 documentation
  29. Regulatory Article (RA) 4304: electronic certification of aircraft maintenance
  30. Regulatory Article (RA) 4307: fault reporting
  31. Regulatory Article (RA) 4311: retention of military aviation engineering documentation
  32. Regulatory Article (RA) 4312: scanning and electronic storage of military aviation engineering documentation
  33. Regulatory Article (RA) 4353: amendment to technical information
  34. Regulatory Article (RA) 4402: technical equipment, conditioning and preparation for movement or storage
  35. Regulatory Article (RA) 4405: assessment, categorisation and repair of aircraft and aircraft structural components
  36. Regulatory Article (RA) 4406: new repair instructions and aerospace equipment design requests
  37. Regulatory Article (RA) 4504: non-destructive testing
  38. Regulatory Article (RA) 4509: aircraft domestic water
  39. Regulatory Article (RA) 4653: examination of in-use pyrotechnics and dangerous goods issued for use in survival equipment and on airborne platforms
  40. Regulatory Article (RA) 4557: electrostatic discharge sensitive devices, prevention of damage by static electricity
  41. Regulatory Article (RA) 4558: aircraft TEMPEST testing
  42. Regulatory Article (RA) 4701: quality occurrence reporting
  43. Regulatory Article (RA) 4702: quality auditing
  44. Regulatory Article (RA) 4825: procedures for the competent authority (MRP 145.B)
Published 18 November 2014
Last updated 13 August 2015 + show all updates
  1. A new heading, Withdrawn Regulatory Articles, has been added in order to separate current RAs from withdrawn RAs.
  2. First published.